humic acid
- n a dark brown humic substance that is soluble in water only at pH values greater than 2
humification
- n the process of the formation of humus from plant remains
humiliation
- n state of disgrace or loss of self-respect
- n strong feelings of embarrassment
- n an instance in which you are caused to lose your prestige or self-respect
he had to undergo one humiliation after another - n depriving one of self-esteem
humility
- n a disposition to be humble; a lack of false pride
not everyone regards humility as a virtue - n a humble feeling
he was filled with humility at the sight of the Pope
hummer
- n a singer who produces a tune without opening the lips or forming words
- n (baseball) a pitch thrown with maximum velocity
humming
- n a humming noise
- n the act of singing with closed lips
- v sing with closed lips
- v be noisy with activity
- v sound with a monotonous hum
- v make a low continuous sound
The refrigerator is humming
humming bird's trumpet
- n shrublet of southwestern United States to Mexico having brilliant scarlet flowers
hummingbird
- n tiny American bird having brilliant iridescent plumage and long slender bills; wings are specialized for vibrating flight
hummingbird moth
- n any of various moths with long narrow forewings capable of powerful flight and hovering over flowers to feed